Real world article
(written from a production point of view)
Dave Perna (5 August 1935 – 3 November 2004; age 69) was a stuntman who worked on Star Trek: The Original Series and Star Trek: The Next Generation. He was a stunt double for Leonard Nimoy in three episodes and for DeForest Kelley in one episode. On The Next Generation, he portrayed a stunt alien in the first season episode "Hide And Q".
He filmed his stunt scene for "Mirror, Mirror" on Thursday 27 July 1967 at Desilu Stage 9 and his stunt scene for "A Private Little War" on Monday 2 October 1967 on location at the Bell Ranch.